Drug-related Crime

ZAPATA, Texas - The Mexican government said Friday it has opened a federal investigation into the reported shooting of an American tourist on a border lake plagued by Mexican pirates and strongly denied delaying action on finding the man or his attackers.

TIJUANA, Mexico - President Felipe Calderon calls Tijuana a success in his four-year-old war on drug cartels, though he is unsure that making the border city safer has reduced the flow of drugs to the United States.

ZAPATA, Texas - Hundreds of people using speedboats, helicopters and all-terrain vehicles are searching for a missing American tourist presumably shot and killed by Mexican pirates on a border lake, authorities in Mexico say.